Fairbanks PC2250 Utility Software - Manual (Page 8)

Section 1: General Information
6/12 8 51214 Rev. 7
Specifications, Continued
Settings
• Zero Range
2 % or 100%
• Auto Zero Tracking
OFF, 0.5, 1 or 3 divisions
• Balance
OFF, 0.5, 1 or 3 divisions
• Filter
Slow, Cattle, Standard, and Fast
• Display Update Rate
0.2, 0.4, and 0.8 seconds
Weight Accumulator
• Capacity
999,999 Weight Units
– Printed or viewed
Outputs
• PORT 1 Bidirectional Serial Port. Settings include OFF, RS232, RS422,
and RS485. RS232 has 30+ updates a second
• PORT 2
Port 2 is used to interface to the PC2250 program, OR to
provide 20 mA passive, RS232, RS422*, or RS485.
*Port should be set to RS485. Note jumper and wiring connections listed in Section 5:Serial Communication
Wiring.
Power Requirements
• 117 volts AC +/- 10 %
 < 0.2VAC between Neutral and Ground.
• 220 volts AC +/- 10 %
• 1.5 watts maximum
• The FB2250 is designed to operate from 80 to 260 volts AC, 50 to 60 Hertz
DC Models
• Batteries
Five (5) Size “D” Alkaline batteries @ 1.5 Volts DC each.
• Battery Life
Up to 40 Hours or greater with a maximum load of 4, 350 load cells and
backlighting enabled.
Battery usage time can be adversely affected by battery storage, battery
capacity and battery brand.
To maximize battery life, serial Ports 1 and 2 should be switched OFF , if
not used.
• Internal Battery • Should be replaced every 12 months using Panasonic CR 1220 3V or
equivalent.